<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        let name = '视频';
        switch (name) {
            case '产品':
                console.log('a');
                break;
            case '视频':
                console.log('b');
                break;
            default:
                console.log('其他');
        }
    // 条件比较简单，能使用switch就不用if
    </script>
</body>

</html>